package com.ruoyi.framework.config;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.ruoyi.common.core.domain.AjaxResult;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

@RestControllerAdvice({"com.swap.controller"})
public class ResultAdvice implements ResponseBodyAdvice<Object> {

    private final ObjectMapper objectMapper;

    public ResultAdvice(ObjectMapper objectMapper) {
        this.objectMapper = objectMapper;
    }


    @Override
    public boolean supports(MethodParameter methodParameter, Class<? extends HttpMessageConverter<?>> aClass) {
        return true;
    }

    @Override
    public Object beforeBodyWrite(Object o, MethodParameter methodParameter, MediaType mediaType, Class<? extends HttpMessageConverter<?>> aClass, ServerHttpRequest serverHttpRequest, ServerHttpResponse serverHttpResponse) {
        if(o instanceof String){
            try {
                return objectMapper.writeValueAsString(AjaxResult.success(o));
            } catch (JsonProcessingException e) {
                e.printStackTrace();
            }
        }
        if(o instanceof AjaxResult){
            return o;
        }
        return AjaxResult.success(o);
    }
}
